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Must be nice, eh, this disability thing? Sitting around all day. Nowhere specific to go. All that freedom. Don't have to work. You get all that stuff done for you, too. And you don't have to pay for it, right? Must be nice. *I'd* like someone to clean up after me.

Would someone please tell me why the first assumptions about disability involve laziness, scamming, and generally, "can't?" What possible underlying rationale makes it logical to extend "can't walk" to is "no good, has no use, couldn't possibly contribute, be worth anything?" Yes, I understand that the project of valuing human beings in general is a somewhat futile one, but given that we do assess each other, can someone tell me why these are the markers on the ruler?